[pur-kyuh-leyt] /ˈpɜr kyəˌleɪt/ (Show IPA) with an intrusive y -glide, results from analogy with words like circulate and matriculate, where the unstressed vowel following the k -sound is symbolized by a u spelling, making the y -glide mandatory. In similar words where

[k] /k/ is followed by some other vowel, the [y] /y/ represents a hypercorrection. The pronunciation of escalate as [es-kyuh-leyt] /ˈɛs kyəˌleɪt/ is another such example. See coupon, new.